Apparatus for volume measurement of liquids

Details Apparatus for volume measurement of liquids Apparatus for volume measurement of liquids

1977-10-11

1980-02-26

Swisher, S. Clement

Measuring and testing

Measuring vessel

B01H 302

Patent

active

041899431

ABSTRACT:
A liquid volume measuring apparatus in constructed to simultaneously solve the problems of accuracy of measurement, contamination of the liquid, and speed of operation. This apparatus utilizes a containing element for the liquid to be transferred, an aspiration system for filling the containing element, and a control liquid being immiscible with the liquid to be transferred to form a liquid piston to distribute the liquid without an air dead space therebetween, and to simultaneously act as a cleaning agent of the containing element. By this means, another different liquid can be dispensed by the apparatus without contamination by the previously dispensed liquid.

REFERENCES:
patent: 1989030 (1935-01-01), Wade
patent: 3494201 (1970-02-01), Roach
patent: 3831618 (1974-08-01), Liston

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